package collection;

import java.util.*;

public class SortPoint {
    public static void main(String[] args) {
        List<Point> list = new ArrayList<>();
        list.add(new Point(7,32));
        list.add(new Point(45,63));
        list.add(new Point(23,9));
        list.add(new Point(33,15));
        list.add(new Point(1,25));
        list.add(new Point(24,6));
        System.out.println("list原始数据:"+list);



        list.sort(new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                return o1.getX()-o2.getX();
            }
        });
        System.out.println(list);

        Collections.sort(list, new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                int len1 = o1.getX()*o1.getX()+o1.getY()*o1.getY();
                int len2 = o2.getX()*o2.getX()+o2.getY()*o2.getY();
                return len1-len2;
            }
        });

        Collections.sort(list,(o1,o2)-> {
            int len1 = o1.getX()*o1.getX()+o1.getY()*o1.getY();
            int len2 = o2.getX()*o2.getX()+o2.getY()*o2.getY();
            return len1-len2;

        });




        System.out.println("list升序:"+list);



    }
}
